解题方法
1 . 枪弹在枪筒中的运动可以看作是匀加速直线运动,其路程(单位:
)与时间(单位:
)的关系为
,如果枪弹的加速度
,且当
时,枪弹从枪口射出,求枪弹射出枪口时的瞬时速度.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5873c01192b7d33b7483f444f90b5b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/386ebaa9fd88489e69471c5602a37b19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bd82115a09639c1c3b5d327900e81ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c06c3a83952822721f8c0c831dba721.png)
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2021-09-20更新
|
483次组卷
|
6卷引用:人教A版(2019) 选修第二册 突围者 第五章 第一节 导数的概念及其意义
人教A版(2019) 选修第二册 突围者 第五章 第一节 导数的概念及其意义苏教版(2019) 选修第一册 突围者 第5章 第一节 课时2瞬时变化率——导数北师大版(2019) 选修第二册 突围者 第二章 第一节 平均变化率与瞬时变化率人教A版(2019) 选修第二册 实战演练 第五章 一元函数的导数及其应用 课时练习08 变化率问题(已下线)2.1 平均变化率与瞬时变化率同步课时训练-2022-2023学年高二下学期数学北师大版(2019)选择性必修第二册5.1.1 变化率问题练习
2 . 在平面直角坐标系
中,过
作
轴的垂线,与函数
的图象交于点
,过点
作函数
的图象的切线,与
轴交于
,再过
作
轴的垂线,与函数
的图象交于点
,再过点
作函数
的图象的切线,与
轴交于
,……,如此进行下去,在
轴上得到一个点列
,记
的横坐标构成的数列为
.
(1)求
;
(2)求数列
的通项公式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1558b830099169c8f49bfc5b4680ea17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fd2fe2d15ffb8fe75f477e1f95e7662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a71fc9c0068109dad1382354570665.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a71fc9c0068109dad1382354570665.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04b56e44e4f0424a2b7a45567120a2e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01e404e85aec8bf4bdfa57519e2ceef6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01e404e85aec8bf4bdfa57519e2ceef6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc6469a3bfb69b21605650a66ab365fa.png)
(2)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
您最近一年使用:0次
3 . 设直线
,曲线
.若直线
与曲线
同时满足下列两个条件:①直线
与曲线
相切且至少有两个切点;②对任意
都有
.则称直线
为曲线
的“上夹线”.
(1)已知函数
.求证:
为曲线
的“上夹线”;
(2)观察下图:
的“上夹线”的方程,并给出证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70087bf78bee970f6ecf583ca1fccc42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0016d106579d6b26cf2960cf744f317.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d9dc155203792c9983b2118b7730088.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
(1)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c043c3bf7b638f8bb635ee098130560.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c31c4f39399ec245a67db2933ed639f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)观察下图:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d08fe48eafb7a58cb673cc4bce2aa0e7.png)
您最近一年使用:0次
4 . 已知点
,
,
是抛物线
上任一点.
(1)求抛物线
的过点
的切线方程;
(2)求点
与点
的距离的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c62afde299d4b4c4a883c83f71950f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7ea6b5f801158380a615c3f99f615e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c190e3498ab082d575c24a1a66b6da0d.png)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
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5 . 在①曲线y=f(x)在点
处的切线与y轴垂直,②f(x)的导数
的最小值为﹣
,③函数f(x)在区间
上是减函数,在区间
上是增函数.这三个条件中任选一个补充在横线上,并回答下面问题.
已知函数f(x)=x3+ax+b,且满足 ____.
(1)求a值;
(2)若函数y=f(x)在区间[﹣1,2]上的最大值与最小值的和为7,求b值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf46dc84732526c826d84a71c407ea89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d31f9ce464f2ce3b24833b70595941c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b2a698891d42c70b597f0da4f215f09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eeedfe06363c256f8fb8ecefb5eb84e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e53ad91118d989eec93c03312c20d3f2.png)
已知函数f(x)=x3+ax+b,且满足 ____.
(1)求a值;
(2)若函数y=f(x)在区间[﹣1,2]上的最大值与最小值的和为7,求b值.
您最近一年使用:0次
2021-08-04更新
|
293次组卷
|
5卷引用:湖北省武汉市第四十三中学2021-2022学年高二下学期期中数学试题
湖北省武汉市第四十三中学2021-2022学年高二下学期期中数学试题2023版 苏教版(2019) 选修第一册 突围者 第5章 第三节 课时3 最大值与最小值(已下线)模块四 专题1 高考新题型专练(劣构题专练)(人教A)(高二)江苏省淮安市2020-2021学年高二下学期期末数学试题(已下线)模块三 专题3 高考新题型专练 专题1 劣构题专练(苏教版)
6 . 一天,小锤同学为了比较
与
的大小,他首先画出了
的函数图像,然后取了离1.1很近的数字1,计算出了
在x=1处的切线方程,利用函数
与切线的图像关系进行比较.
(1)请利用小锤的思路比较
与
大小
(2)现提供以下两种类型的曲线
,试利用小锤同学的思路选择合适的曲线,比较
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1d005dc5914dd288d3d8a59119e4065.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca83504e351d7516f61a3052d7a31859.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12be206d66e65eb92ef08bad8cd8f71d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12be206d66e65eb92ef08bad8cd8f71d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12be206d66e65eb92ef08bad8cd8f71d.png)
(1)请利用小锤的思路比较
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1d005dc5914dd288d3d8a59119e4065.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca83504e351d7516f61a3052d7a31859.png)
(2)现提供以下两种类型的曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e38e82b5b42b803d4f05d503068bf78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb81000c418382919e0fcd01ffc33676.png)
您最近一年使用:0次
20-21高二上·全国·课后作业
7 . 如图,它表示物体运动的路程随时间变化的函数f(t)=4t-2t2的图象,试根据图象,描述、比较曲线f(t)分别在t0,t1,t2附近的变化情况,并求出t=2时的切线方程.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/16/6b3c7793-7452-4270-9d01-dff545b507b5.png?resizew=206)
您最近一年使用:0次
8 . 设
为定点,
是抛物线
:
上的一点,若抛物线在
处的切线恰好与
,
两点的连线互相垂直,则称点
为点
的“
伴点”.
(1)求抛物线
的焦点
的“
伴点”;
(2)设
,问:当且仅当
,
满足什么条件时,点
有三个“
伴点”?试证明你的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23e0db273061d0331e4e5da9ff1e955e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/344ccbf79da6ad7e3709d6fa72efb756.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4ff0af96ea467337cb30c4c765b5f7.png)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4ff0af96ea467337cb30c4c765b5f7.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4ff0af96ea467337cb30c4c765b5f7.png)
您最近一年使用:0次
名校
解题方法
9 . 在平面直角坐标系
中,函数
的图象过点
,且在点P处的切线
恰好与直线
垂直.
(1)求函数
的最大值;
(2)若正数
,
,
满足
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7455cd7a24b4985e0779efc79b5d11bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62648bbd5919a180a059169c3fea98e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/676b05d4baad4148c4fb3b052f32d065.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27b85cbf4d2253bd4077cfb4886751e0.png)
(2)若正数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2193edd12ed74d977e2edb6f3c7f3058.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/972a76452271b2bb0ec10a450a86607f.png)
您最近一年使用:0次
2021-05-28更新
|
218次组卷
|
3卷引用:西南名校联盟2021届高三下学期4月高考适应性考试数学(理)试题
名校
解题方法
10 . 已知
,其中
且
.
(1)若
,曲线
在点
处的切线为
,求直线
斜率的取值范围:
(2)若
在区间
有唯一极值点
,
①求
的取值范围;
②用
表示
的最小值.证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/113b06c03e8bc6eec48d153ca170b2e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d3e81f557e5bf78954b84dec74c0de2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661249bf6499017f9e5e03db3fcd93d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ddf9809129b68d725a8c74de5e1c311.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82a7792efd7f82bfa7549db4cb6ca761.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
②用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e515c80daf34fff5923cd86142398bf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4653407012fbf6a8ffd21b94d4e0d7e7.png)
您最近一年使用:0次
2021-05-13更新
|
1413次组卷
|
4卷引用:山东省日照市2021届高三第二次模拟考试数学试题
山东省日照市2021届高三第二次模拟考试数学试题(已下线)专题13 用导数研究函数(难点)-2020-2021学年高二数学下学期期末专项复习(北师大版2019选择性必修第一册、第二册)(已下线)第15讲 max函数与min函数问题-2022年新高考数学二轮专题突破精练上海市育才中学2023届高三上学期期中数学试题